Warp Fused Triceratops

Trampling Charge. If the triceratops moves at least 20 feet straight toward a creature and then hits it with a gore attack on the same turn, that target must succeed on a DC 13 Strength saving throw or be knocked prone. If the target is prone, the triceratops can make one stomp attack against it as a bonus action.

Warp Discharge. If a creature strike the triceratops with a melee attack, the creature with take 14 (4d6) lightning damage.

Gore. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 24 (4d8 + 6) piercing damage and 27 (8d6)lightning 

Stomp. Melee Weapon Attack: +9 to hit, reach 5 ft., one prone creature. Hit: 22 (3d10 + 6) bludgeoning damage.

Warp Strike. The triceratops can cast Lightning Bolt The triceratops can also hold it casting and for each turn held it adds one level to the spell to a maximum of 9th level. This ability can be used again after a recharge period equal to the number of charges used beyond he base charge.

Warp Nova. If the triceratops does not move on its turn it may discharge the energy stored in its warp crystals. All creatures withing a 20 ft radius must make a DC 15  Dexterity saving throw. A creature takes 6d6 lightning damage on a failed save, or half as much on a successful one. In addition any creature that takes damage from the Wrap Nova must also make a DC 13 Constitution saving throw. On a failed save that creature will be Stunned until the end of the triceratops next turn.

The triceratops can use this feature again after 1d6 rounds.